marantz.com
Marantz | Reference AV Receivers, Amplifiers, Home Theater & Hi-Fi Sound
Last scanned Jul 29, 2026, 10:00 PM · 11 views
Overall score
Great
Summary
Experience the Most Musical Sound with Marantz. This website uses Cloudflare Analytics behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Experience the Most Musical Sound with Marantz. Explore premium AV receivers, amplifiers, and more for home theater & hi-fi systems. Discover online today.
Top issues to fix
8 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
4 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
329 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 22, 2026
- Overall
- 89
- SEO
- 80
- Security
- 80
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Experience the Most Musical Sound with Marantz. Explore premium AV receivers, amplifiers, and more for home theater & hi-fi systems. Discover online today.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +44 (0) 1903 953580
Meta tags
- Title
- Marantz | Reference AV Receivers, Amplifiers, Home Theater & Hi-Fi Sound
- Description
- Experience the Most Musical Sound with Marantz. Explore premium AV receivers, amplifiers, and more for home theater & hi-fi systems. Discover online today.
- Canonical
- https://www.marantz.com/en/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- DigiCert Inc
- Subject
- soundunited.com
- Valid from
- Dec 18, 2025
- Valid to
- Dec 17, 2026
- Days until expiry
- 141
- SAN domains
- soundunited.com, *.bostonacoustics.com, *.bowerswilkins.com, *.bowerswilkins.cn, *.classeaudio.com, *.definitivetechnology.com, *.denon.com, *.dmglobal.com, *.dmh-global.com, *.marantz.com, *.polkaudio.com, *.soundunited.com, bostonacoustics.com, bowerswilkins.com, bowerswilkins.cn, classeaudio.com, definitivetechnology.com, denon.com, dmglobal.com, dmh-global.com, marantz.com, polkaudio.com, *.suinternal.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 6 cookie(s) observed
Content & assets
Headings
H1 2 · H2 15 · H3 2
Links
61 internal · 18 external · 20 broken
Images
34 total · 0 missing alt
Scripts / Styles
37 scripts · 15 stylesheets
JS / CSS size
13.2 KB · 8.3 KB
Page size
143 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://marantz.com
- Final URL
- https://www.marantz.com/en/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 327 ms
- HTML size
- 143 KB
- Redirect chain
- https://marantz.com → https://www.marantz.com/ → https://www.marantz.com/en/
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Frequently asked questions
- What technology does marantz.com use?
- marantz.com is built with Cloudflare Analytics.
- Is marantz.com secure (HTTPS)?
- Yes. marantz.com uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Dec 17, 2026.
- Who hosts marantz.com?
- Hosting provider information for marantz.com is not available yet.
- What is marantz.com's SEO score?
- marantz.com scored 80/100 for SEO in the latest analysis (great).
- What is marantz.com's overall website score?
- marantz.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Has marantz.com's score changed over time?
- marantz.com's overall score has declined by 3 points (from 92 to 89) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card